Re: [dpdk-dev] ieee1588fwd.c implementation

[Stefan Binna <stefan.binna@salzburgresearch.at>]

Hi John,

thanks very much for the big help :)

I'll try it tomorrow and if I run into any problems I'll contact you again.

Best regards,
Stefan.

Am 12.08.2015 um 19:09 schrieb Mcnamara, John:
>> -----Original Message-----
>> From: Stefan Binna [mailto:stefan.binna@salzburgresearch.at]
>> Sent: Wednesday, August 12, 2015 5:42 PM
>> To: Mcnamara, John; dev@dpdk.org
>> Subject: Re: [dpdk-dev] ieee1588fwd.c implementation
>>
>> Hi John,
>>
>>
>> I don't understand how to implement ieee1588fwd. Is there any manual,
>> sample application or similar available?
>> Or do I have to modify the testpmd.c file by myself? I don't really know
>> how to implement the code available in ieee1588fwd.c.
> Hi Stefan,
>
> The steps you did are correct:
>
>      * Enable CONFIG_RTE_LIBRTE_IEEE1588=y in the config.
>      * Compile the testpmd application (this happens as part of the default compile):
>
>            make -j T=x86_64-native-linuxapp-gcc install
>
> Then you can run testpmd with ieee1588 forwarding on as follows (or similar. Adjust coremask to suit):
>
>      sudo ./x86_64-native-linuxapp-gcc/app/testpmd -c 300 -n 4 \
>            --  --port-topology=chained --txqflags=0 --forward-mode=ieee1588
>
> Note:
>      The --txqflags=0 is required to ensure ieee1588 support in the "full featured" TX path.
>
> If you send the correct l2 ptp packets they should generate a text output from testpmd
>
> Add '-i' after '--' to enter interactive mode in testpmd.
>
> You can also set IEEE1588 mode from within testpmd as follows:
>
>      testpmd> set fwd ieee1588
>      Set ieee1588 packet forwarding mode
>
>
> Note: if you don't see the ieee1588 mode it usually means that CONFIG_RTE_LIBRTE_IEEE1588 wasn't configured.
>
> Best of luck,
>
> John.